KAREN ELIZABETH EVENSEN (MD) – Orthopaedic Surgery Physician, NPI 1750452652
Orthopaedic Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,024 ORTHOPEDIC SURGERY in CA
Provider Addresses for KAREN ELIZABETH EVENSEN (MD)
15855 Pomona Rincon Rd Bldg 4
Chino Hills, CA 917095572
Phone: (714) 626-8630
Type: Location
North Harbor Boulevard, Downtown Fullerton, Fullerton, Orange County, California, 92832-2095, United States
FULLERTON, CA 928353831
Phone:
Type: Mailing
2141, North Harbor Boulevard, Fullerton, Orange County, California, 92835, United States
SUITE 35000
FULLERTON, CA 928353827
Phone: (714) 626-8630
Fax: (714) 626-8659
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $133.
Total Amount is formed as General ($133) + Research ($0) + Ownership ($0) = $133.
Last reported payment date: 2024-06-08 • Largest payer in this snapshot: Radius Health, Inc. ($78).
Total Amount
$133
General + Research + Ownership
Payments
6
Total payment records
General Amount
$133
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Radius Health, Inc. | $78 |
| Amgen Inc. | $55 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-01-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040112000587 | I | Orthopedic Surgery | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 380 | 63 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 183 | 154 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 153 | 135 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 101 | 101 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 75 | 63 | $0 |
Insurance plans in this area (ZIP 91709)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | CA | 20610 | Aspiration and/or injection of large joint or joint capsule | 110 | 75 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | WA | |
| - | ME | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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